Vulnerability Description
The MaxiBlocks Builder plugin for WordPress is vulnerable to arbitrary media file deletion due to insufficient file ownership validation on the 'maxi_remove_custom_image_size' AJAX action in all versions up to, and including, 2.1.8. This makes it possible for authenticated attackers, with Author-level access and above, to delete arbitrary files in the wp-content/uploads directory, including files uploaded by other users and administrators.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/maxi-blocks/maxi-blocks/commit/3dff1db57bfb4e6c14fa7fd4203717
- https://plugins.trac.wordpress.org/browser/maxi-blocks/tags/2.1.7/core/class-max
- https://plugins.trac.wordpress.org/browser/maxi-blocks/trunk/core/class-maxi-ima
- https://plugins.trac.wordpress.org/changeset/3476709/maxi-blocks/trunk/core/clas
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old
- https://www.wordfence.com/threat-intel/vulnerabilities/id/f50c31df-56d0-4c34-a93
FAQ
What is CVE-2026-2028?
CVE-2026-2028 is a vulnerability with a CVSS score of 5.3 (MEDIUM). The MaxiBlocks Builder plugin for WordPress is vulnerable to arbitrary media file deletion due to insufficient file ownership validation on the 'maxi_remove_custom_image_size' AJAX action in all versi...
How severe is CVE-2026-2028?
CVE-2026-2028 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-2028?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.